Control unit or similar article for interconnecting radio and telephone sets



FIG. 1 is a front, top and right side perspective view of a control unitor similar article for interconnecting radio and telephone sets showingour new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is rear elevational view thereof; and

FIG. 4 is a bottom plan view thereof.

The ornamental design for a control unit or similar article forinterconnecting radio and telephone sets, as shown and described.